A database containing 5 millions of Google account was leaked on a Bitcoin Security board late on the 9th September 2014.These accounts gives access to Gmail mail service, G+ social network and other products of the US-based internet giant. The forum user, tvskit, who published this database, stated that 60% of these credentials were still valid.Users who want to check if their account's credential has been leaked can visit isleaked.com, a service which will check whether your account is in the list. Any user who's fallen victim of the leak is advised to change his/her password immediately and to turn on the TWO-FACTOR ATHENTICATION service on their account.